-al -er a-a a-c a-t aaa aac aad aae aag aal aan aar aas aat ac- aca acc acd ace acg acl acn acr acs act ad- ada adc add ade adg adl adn adr ads adt aea aec aed aee aeg ael aen aer aes aet ag- aga agc agd age agg agl agn agr ags agt al- ala alc ald ale alg all aln alr als alt an- ana anc and ane ang anl ann anr ans ant ar- ara arc ard are arg arl arn arr ars art as- asa asc asd ase asg asl asn asr ass ast at- ata atc atd ate atg atl atn atr ats att c-- caa cac cad cae cag cal can car cas cat cca ccc ccd cce ccg ccl ccn ccr ccs cct cda cdc cdd cde cdg cdl cdn cdr cds cdt ce- cea cec ced cee ceg cel cen cer ces cet cga cgc cgd cge cgg cgl cgn cgr cgs cgt cl- cla clc cld cle clg cll cln clr cls clt cn- cna cnc cnd cne cng cnl cnn cnr cns cnt cra crc crd cre crg crl crn crr crs crt csa csc csd cse csg csl csn csr css cst cta ctc ctd cte ctg ctl ctn ctr cts ctt daa dac dad dae dag dal dan dar das dat dca dcc dcd dce dcg dcl dcn dcr dcs dct dda ddc ddd dde ddg ddl ddn ddr dds ddt de- dea dec ded dee deg del den der des det dga dgc dgd dge dgg dgl dgn dgr dgs dgt dl- dla dlc dld dle dlg dll dlr dls dlt dna dnc dnd dne dng dnl dnn dnr dns dnt dra drc drd dre drg drl drn drr drs drt dsa dsc dsd dse dsg dsl dsn dsr dss dst dta dtc dtd dte dtg dtl dtn dtr dts dtt eaa eac ead eae eag eal ean ear eas eat ec- eca ecc ecd ece ecg ecl ecn ecr ecs ect ed- eda edc edd ede edg edl edn edr eds edt eea eec eed eee eeg eel een eer ees eet ega egc egd ege egg egl egn egr egs egt ela elc eld ele elg ell eln elr els elt en- ena enc end ene eng enl enn enr ens ent era erc erd ere erg erl ern err ers ert es- esa esc esd ese esg esl esn esr ess est eta etc etd ete etg etl etn etr ets ett g-d gaa gac gad gae gag gal gan gar gas gat gca gcc gcd gce gcg gcl gcn gcr gcs gct gda gdc gdd gde gdl gdn gdr gds gdt ge- gea gec ged gee geg gel gen ger ges get gga ggc ggd ggg ggn ggr ggs ggt gla glc gld gle glg gll gln glr gls glt gna gnc gnd gne gnl gnn gnr gns gnt gra grc grd gre grg grl grn grr grs grt gsa gsc gsd gse gsg gsl gsn gsr gss gst gta gtc gtd gte gtg gtl gtn gtr gts gtt la- laa lac lad lae lag lal lan lar las lat lca lcc lcd lce lcg lcl lcn lcr lcs lct lda ldc ldd lde ldg ldl ldn ldr lds ldt lea lec led lee leg lel len ler les let lga lgc lgd lge lgg lgl lgn lgr lgs lgt lla llc lld lle llg lll lln llr lls llt lna lnc lnd lne lng lnl lnn lnr lns lnt lra lrc lrd lrg lrn lrr lrs lrt lsa lsc lsd lse lsg lsl lsn lsr lss lst lta ltc ltd lte ltg ltl ltr lts ltt naa nac nad nae nag nal nan nar nas nat nca ncc ncd nce ncg ncl ncn ncr ncs nct nda ndc ndd nde ndg ndl ndn ndr nds ndt ne- nea nec ned nee neg nel nen ner nes net nga ngc ngd nge ngg ngl ngn ngs ngt nla nlc nld nle nlg nll nln nlr nls nlt nna nnc nne nng nnl nnn nns nnt nra nrc nrd nre nrg nrl nrn nrr nrs nrt nsa nsc nsd nse nsg nsl nsn nsr nss nst nta ntc ntd nte ntg ntn ntr nts ntt ra- raa rac rad rae rag ral ran rar ras rat rca rcc rcd rce rcg rcl rcn rcr rcs rct rda rdc rdd rde rdg rdl rdn rdr rds rdt re- rea rec red ree reg rel ren rer res ret rga rgc rgd rge rgg rgn rgr rgs rgt rla rlc rld rle rlg rll rln rlr rls rlt rna rnc rnd rng rnn rnr rns rnt rra rrc rrd rrg rrl rrn rrr rrs rrt rsa rsc rsd rse rsg rsl rsn rsr rss rst rta rtc rtd rte rtg rtl rtn rtr rts rtt saa sac sad sae sag sal san sar sas sat sca scc scd sce scg scl scn scr scs sct sda sdc sdd sde sdg sdl sdn sdr sds sdt se- sea sec sed see seg sel sen ser ses set sga sgc sgd sge sgg sgl sgn sgr sgs sgt sla slc sld sle slg sll sln slr sls slt sna snc snd sne sng snl snn snr sns snt sr- sra src srd sre srg srl srn srr srs srt ss- ssa ssc ssd sse ssg ssl ssn ssr sss sst sta stc std ste stg stl stn str sts stt taa tac tad tae tag tal tan tar tas tat tca tcc tcd tce tcg tcl tcn tcr tcs tct tda tdc tdd tde tdg tdl tdn tdr tds tdt te- tea tec ted tee teg tel ten ter tes tet tga tgc tge tgg tgl tgn tgr tgs tgt tla tlc tld tle tlg tll tln tlr tls tlt tna tnc tnd tne tng tnl tnn tnr tns tnt tra trc trd tre trg trl trn trr trs trt tsa tsc tsd tse